Fandf DS4550 Decking Screw - Green Treated 4.5 X 50Mm (Box Of 200)

A Coarse Single Thread Screw Developed Specifically For Fixing Decking. Head: Countersunk Pozi Compatible. Finish: Hardened And Specialist Green Treated. Designed For Decking But Also Ideal For Other Exterior Timber And Fencing Uses. Pozidrive Compatible Head Enables Higher Torque Levels With A Reduced Risk Of Cam Out. Extremely Coarse Thread Provides Increased Holding Power In All Types Of Decking Timber. Specifically Designed To Accommodate Wood&Rsquo;S Natural Tendency To Expand And Contract. Hardened And Green Treated For Maximum Durability In The Face Of The Elements.PTDFORDIRDS4550